Tensioner 10105371 For Buick

The DUHUI Bearing 10105371 drive belt tensioner is an OE-replacement component for Buick Roadmaster and other GM B-body vehicles equipped with the 5.7L V8 engine. This tensioner maintains proper serpentine belt tension across the accessory drive system, preventing belt slip and reducing wear on engine components. Manufactured to match original equipment specifications including 10105371, this tensioner delivers reliable performance for compatible GM vehicles.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 10105371 |
| Product Type | Belt Tensioner |
| Outside Diameter | 76.00 mm (2.992 inch) |
| Width | 30.50 mm (1.201 inch) |
| Inner Diameter | 17.00 mm (0.669 inch) |
| Belt Type | Serpentine |
Important: All information on this page is for reference only. Please verify OE numbers, dimensions, and vehicle fitment against your original part before ordering. Contact us for fitment confirmation.
DH Code & OE Numbers & Reference Numbers
DH Code:
OE Numbers:
10105371, 12561092, 10183939, 12558520, 06003051, 10055798, 6003051
Reference Numbers (Interchange):
SKP: SK89213
38118
Vehicle Fitment
BUICK ROADMASTER: 1991-1993 (5.7L V8), 1992-1996 (Estate, 5.7L V8)
Additional compatible models (verify before ordering):
CHEVROLET: Caprice 1991-1996 (5.7L V8 LT1)
CADILLAC: Fleetwood 1993-1996 (5.7L V8)
OLDSMOBILE: Custom Cruiser 1991-1992
Engine Compatibility: 5.7L V8 – LT1, L05
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- OE-replacement belt tensioner for GM B-body 5.7L V8 applications. Matches OEM specifications including 10105371.
- 76 mm outside diameter, 30.5 mm width, and 17 mm inner diameter provide exact fitment for the serpentine belt drive system.
- Spring-loaded automatic tensioning mechanism maintains optimal belt tension as the belt stretches over time.
- Precision-engineered bearing ensures smooth rotation and consistent belt tension.
- Durable construction ensures long service life and reliable performance.
Installation Notes
- Verify the 76 mm outside diameter, 30.5 mm width, and 17 mm inner diameter match your original tensioner before installation.
- Inspect the serpentine belt for wear or damage before installing the new tensioner.
- Torque the mounting bolt to manufacturer specifications – refer to the GM service manual for the 5.7L LT1 engine application.
- After installation, verify proper belt tension and check for smooth pulley rotation.
- This tensioner is compatible with GM B-body 5.7L V8 applications – confirm belt routing matches your vehicle’s specific configuration.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces tensioners and automotive bearings to OE specifications. Contact us

